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iStumbler is a wireless discovery tool for Mac OS X, providing plugins for finding Wi-Fi networks, Bluetooth devices, Bonjour services, location information, and now 2.4 and 5 GHz spectrum analysis with your Mac.

iStumbler is one price for all the computers that you own. Download iStumbler and try it out for free, then purchase a license within the app via PayPal or Coinbase. Previous donors and subscribers are entitled to a free license: see the store page for details.

What's New

Version 103.4:
Updates Features:
  • Improved DXF and DWG import (texts with umlauts)
  • Option to disable DXF preprocessing
Bug Fixes:
  • Fixed undo bug after change scale of group command
  • Fixed display issue with non-white background


  • OS X 10.10 or later
  • AirPort, AirPort Extreme, or Bluetooth
  • Wi-Fi and Location plugins require a Wi-Fi-enabled Mac
  • Bluetooth plugin requires a Bluetooth-enabled Mac

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iStumbler User Discussion

4.3 38


Current Version (103.x)


Downloads 180,113
Version Downloads 1,287
License Shareware
Date 01 Dec 2017
Platform Intel 64 / OS X
Price $9.99
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